From a7eaa6a719acf77b115f48aeaab901ebedaf0a9b Mon Sep 17 00:00:00 2001
From: Tuukka Lehtonen <tuukka.lehtonen@semantum.fi>
Date: Mon, 2 Jan 2017 22:17:38 +0200
Subject: [PATCH] Fixed NPE caused by previous change.

refs #6926

Change-Id: I43da3f39957c5832f1ebef32fa18f52adf8c1737
---
 .../structural/synchronization/base/UpdateComponentUids.java     | 1 +
 1 file changed, 1 insertion(+)

diff --git a/bundles/org.simantics.structural.synchronization.client/src/org/simantics/structural/synchronization/base/UpdateComponentUids.java b/bundles/org.simantics.structural.synchronization.client/src/org/simantics/structural/synchronization/base/UpdateComponentUids.java
index dad99c8ce..0c051ecef 100644
--- a/bundles/org.simantics.structural.synchronization.client/src/org/simantics/structural/synchronization/base/UpdateComponentUids.java
+++ b/bundles/org.simantics.structural.synchronization.client/src/org/simantics/structural/synchronization/base/UpdateComponentUids.java
@@ -35,6 +35,7 @@ public class UpdateComponentUids<T extends ComponentBase<T>> {
         this.componentMonitor = monitor instanceof ComponentUpdateProgressMonitor ? (ComponentUpdateProgressMonitor) monitor : null;
         this.graph = graph;
         this.componentCount = componentCount;
+        this.oldToNewUids = new THashMap<>(componentCount);
     }
 
     private void update(T component, Variable variable) throws DatabaseException {
-- 
2.43.2